StevenBourne? wrote the most widely disseminated of the UnixShells: /bin/sh
Many of the Unix startup scripts are written for this shell. BourneShell scripts are the most portable across architectures, vendors, and even some non-Unix OperatingSystems.
It is said that sh has the LambdaNature. Similarities to the untyped LambdaCalculus:
See also HereDocument
The Bourne Shell allows one to do anything that one can do onn a GUI (except, of course, look at images (unless you call AsciiArt images)). CategoryUnix